Pomeranz developed an expertise in the field of workers' compensation law.

Born in Hartford, he graduated from Yale University and Yale Law School. On July 12, 1927, Pomeranz was admitted to the Connecticut bar and, in 1931, he was admitted to practice in U.S. District Court.

He was a former vice president of the Hartford County Bar Association and served as its president in 1970. He served for many years on the Committee on Recommendations for Admissions to the Connecticut Bar.

Pomeranz was a former trustee of the Kingswood School, a former president of the Yale Law School Alumni Association and a member of the American Bar Association.

He leaves his wife, Eva Kahrmann Pomeranz; two sons, James Pomeranz of West Simsbury and John Pomeranz of Grafton, Mass.; three grandchildren; and a great-granddaughter.